[147906] in North American Network Operators' Group
Re: subnet prefix length > 64 breaks IPv6?
daemon@ATHENA.MIT.EDU (Glen Kent)
Mon Dec 26 19:56:40 2011
In-Reply-To: <Pine.LNX.4.64.1112241535270.29288@a84-22-97-10.cb3rob.net>
Date: Tue, 27 Dec 2011 06:25:44 +0530
From: Glen Kent <glen.kent@gmail.com>
To: Sven Olaf Kamphuis <sven@cb3rob.net>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Sven,
> also various bgp implementations will send the autoconfigure crap ip as the
> next-hop instead of the session ip, resulting in all kinds of crap in your
> route table (if not fixed with nasty hacks on your end ;) which doesn't
> exactly make it easy to figure out which one belongs to which peer
> all the more reason not to use that autoconfigure crap ;)
As per RFC 2545 BGP announces a global address as the next-hop. Its
only in one particular case that it advertises both global and link
local addresses.
So, i guess, BGP is not broken.
Its only RIPng afaik that mandates using a link local address.
Glen
